Computer Graphics NPTEL Assignment 3 Answers

Course Name: Computer Graphics NPTEL

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These are the solution of Computer Graphics NPTEL Assignment 3 Answers

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Q1) At the time of defining the objects, its shape, size, and position is not important.

a. True

b. False

Answer: a. True

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Q2) In order to obtain composite matrix we multiply basic matrix in sequence. In this case

a. we follow right-to-left rule in forming the sequence

b. we follow left-to-right rule in forming the sequence

c. we can follow either right-to-left or left-to-right rule in forming the sequence

d. any order can be considered in forming the sequence, as we are multiplying the matrices

Answer: a. we follow right-to-left rule in forming the sequence

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Q3) We can create a _______ grid to represent a 3D space.

a. Pixel

b. Voxel

c. Frequency

d. Time

Answer: b. Voxel

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These are the solution of Computer Graphics NPTEL Assignment 3 Answers

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Q4) With shearing transformation, we cannot change shape of an object.

a. True

b. False

Answer: b. False

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Q5) When same scaling factor is used along both X and Y direction it is called

a. Uniform scaling

b. Differential scaling

c. Equilateral scaling

d. Perpendicular scaling

Answer: a. Uniform scaling

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Q6) In 3D shearing there are _________ shearing factors.

a. 3

b. 6

c. 9

d. 12

Answer: b. 6

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These are the solution of Computer Graphics NPTEL Assignment 3 Answers

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Q7) Matrix multiplication is commutative. So any sequence of the multiple geometric transformation will lead to same result.

a. True

b. False

Answer: b. False

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Q8) In homogeneous coordinate system, any point of the form Ph(xh,yh,0) is considered to be at _____.

a. Origin

b. Infinity

Answer: b. Infinity

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Q9) BSP stands for ________.

a. Binary Sweep Partitioning

b. Best Space Partitioning

c. Binary Space Partitioning

d. Best Sweep Partitioning

Answer: c. Binary Space Partitioning

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These are the solution of Computer Graphics NPTEL Assignment 3 Answers

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Q10) In scaling we multiply the object coordinates by some scalers, called ___________.

a. Scaling index

b. Scaling factor

Answer: b. Scaling factor

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These are the solution of Computer Graphics NPTEL Assignment 3 Answers

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